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Finding the Fourth Proportional to 267,697.92, 401,285.76 and 127,418.88

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Solution

The fourth proportional to 267,697.92, 401,285.76 and 127,418.88 is: 191,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,697.92 : 401,285.76 = 127,418.88 : x
  2. Step 2: Convert to fraction form
    267,697.92/401,285.76 = 127,418.88/x
  3. Step 3: Cross multiply
    267,697.92x = 401,285.76 × 127,418.88
  4. Step 4: Simplify right side
    267,697.92x = 51,131,382,099.15
  5. Step 5: Solve for x
    x = 51,131,382,099.15/267,697.92
  6. Step 6: Final answer
    x = 191,004.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.